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DDC-SVC-MAN-0192GHG17 DD Medium DutyOperators ManualSpecifications are subject to change without notice. Detroit DieselCorporation is registered to ISO 9001:2001.Copyright Detroit Diesel Corporation. All rights reserved. DetroitDiesel Corporation is a Daimler company.Printed in U.S.A.

Table of ContentsTable of ContentsCalifornia Proposition 65 Warning and Engine Idle Notice. 5Forward. 6Introduction. 6Non-Genuine and Rebuilt Component Quality Alert. 6Personnel Requirements. 6Engine Conversions and Modifications. 7Acronyms and Abbreviations. 7To the Operator. 9To the Operator. 9Caution Summary. 11Caution Summary. 11Engine Indentification. 19Engine Components - GHG17 Medium Duty Platform. 19Engine Model and Serial Number Designation. 22First Time Start Preparations. 26System Checks. 26Starting the Engine. 29Cold Weather Operation. 30Detroit Diesel Electronic Control System Operation. 32Detroit Diesel Electronic Control System Operation. 32Detroit Diesel Electronic Control System Features. 35Changing the Idle Speed. 35Stop Engine Override Option. 35Engine Brake. 35Anti-Lock Braking Systems. 36Engine Protection. 36California Engine Idle Limiting. 36Idle Shutdown Timer. 37Engine Systems. 38Engine Systems. 38GHG17 Medium Duty Aftertreatment System. 40GHG17 Medium Duty Aftertreatment System. 40Diesel Exhaust Fluid Information. 41Diesel Exhaust Fluid Information. 41Aftertreatment Device Operating Requirements. 42Aftertreatment Device Operating Requirements. 42Diesel Exhaust Fluid Tank. 43Diesel Exhaust Fluid Tank. 43Aftertreatment Maintenance. 44Aftertreatment Maintenance. 44Performing a Parked Regeneration - GHG17. 45Performing a Parked Regeneration - GHG17. 45Diesel Particulate Filter Service Record. 472All information subject to change without notice.Copyright 2017 DETROIT DIESEL CORPORATION DDC-SVC-MAN-0192

GHG17 DD Medium Duty Operators ManualService Record. 47Instrument Panel Lamps. 48Instrument Panel Lamps. 48Diesel Exhaust Fluid Level Warning Lamps. 52Diesel Exhaust Fluid Level Warning Lamps. 52Aftertreatment System Driver Notifications and Actions. 53Aftertreatment System Driver Notifications and Actions. 53Diesel Exhaust Fluid Post-Run Indicator Lamp. 56DEF Post-Run Indicator Lamp. 56Preventive Maintenance Intervals. 57Preventive Maintenance Intervals. 57GHG17 Medium Duty Preventive Maintenance Tables. 61DD5 Short Haul. 61DD5 Long Haul. 62DD5 Severe Service. 63DD8 Short Haul. 64DD8 Long Haul. 65DD8 Severe Service. 66Routine Preventive Maintenance. 68Routine Preventive Maintenance. 68Monitoring the Lubricating Oil. 68Monitoring the Lubricating Oil Filter. 69Monitoring the Cooling System. 70Checking for Coolant Leaks. 70Inspection of the Radiator. 71Monitoring the Fuel Filters. 72Adjusting the Valve Lash. 72Monitoring the Belt Tensioner. 73Poly-V-Belt Inspection. 73Inspection of the Air Intake System. 75Monitoring the Air Cleaner. 75Monitoring the Exhaust System. 76Monitoring the Aftertreatment System. 76Inspection of the Air Compressor. 76Monitoring the Fuel and Fuel Tank. 76Inspection of Hoses and Fittings for Fuel Leaks. 77Inspection of the Turbocharger and Charge Air Cooler. 78Inspection of the Battery. 78Steam Cleaning the Engine. 79Inspection of the Battery-Charging Alternator. 80Checking the Vibration Damper. 80How to Procedures. 82How to Select Lubricating Oil. 82How to Replace the Lubricating Oil and Oil Filter. 83How to Select Diesel Fuel. 85All information subject to change without notice.DDC-SVC-MAN-0192Copyright 2017 DETROIT DIESEL CORPORATION3

Table of ContentsHow to Replace the Fuel Filters. 87Engine Out of Fuel – How to Restart. 92How to Clean an Engine. 93Cleaning/Flushing the Cooling System. 94Coolant Selections and Maintenance. 95Coolant Fill Options. 96Coolants for Detroit Engines. 97Maintenance. 99Appendix A - Definitions. 105Appendix B - General Coolant Information. 106Appendix C - Detroit Cooling System Maintenance Products. 108Customer Assistance. 111Using Road Service in the U.S. or Canada. 111Availability of Detroit Service Outlets. 111Detroit Genuine Coolant Engine Products. 113Detroit Genuine Coolant Engine Products. 113Engine Oil Capacities. 115Engine Oil Capacities. 1154All information subject to change without notice.Copyright 2017 DETROIT DIESEL CORPORATION DDC-SVC-MAN-0192

GHG17 DD Medium Duty Operators ManualCalifornia Proposition 65 Warning and Engine IdleNoticeAll information subject to change without notice.DDC-SVC-MAN-0192Copyright 2017 DETROIT DIESEL CORPORATION5

ForwardForwardIntroductionThis manual is intended for use by the operator of a Detroit engine used in OnHighway Vehicle applications.Non-Genuine and Rebuilt Component Quality AlertElectronic engine controls have aided engine manufacturers to meet the stringentemission requirements of the U.S. Environmental Protection Agency (EPA) and theCalifornia Air Resources Board (CARB) and also in meeting the ever-increasingperformance demands of the customer.Maintenance procedures must be followed in order to continue satisfactory engineperformance and durability and to ensure engine coverage under the manufacturer'swarranty. Many of these maintenance procedures ensure that the engine complieswith applicable emissions standards. Proper maintenance procedures, using specificcomponents engineered to comply with emissions regulations, may be performedby an authorized Detroit distributor or dealer, an independent outlet or theoperator / owner. The owner is responsible for determining the suitability ofcomponents to maintain emissions compliance during the engine's useful emissionlife.Detroit cautions that the indiscriminate rebuilding of precision components,without the benefit of specifications, specialized equipment, and knowledge of theelectronic operating system, will jeopardize performance or lead to more seriousproblems, and can take the engine outside of compliance with U.S. EPA or CARBemissions standards.There are several other components in an engine, such as turbocharger, camshaft,piston, fuel doser valve, fuel doser block, diesel particulate filter (DPF) and dieselexhaust fluid pump that are specifically designed and manufactured to exactingstandards for emissions compliance. It is important that these components, ifreplaced, modified or substituted, can be verified to ensure that the engine remainsin compliance with emissions standards. The use of inadequately engineered,manufactured or tested components in repair or rebuild of the engine may be inviolation of the federal Clean Air Act and applicable U.S. EPA or CARBregulations.Furthermore, modern engines exhibit operating parameters which require the use ofproper fluids, such as fuel, coolant and lubricating oil, to maintain long engine life.The use of fluids that do not meet Detroit specifications may result in prematurewear or engine failure.6All information subject to change without notice.Copyright 2017 DETROIT DIESEL CORPORATION DDC-SVC-MAN-0192

GHG17 DD Medium Duty Operators ManualPersonnel RequirementsWork on the engine should be carried out only by skilled technicians who havebeen instructed in the specific skills necessary for the type of work beingperformed.Engine Conversions and ModificationsThe function and safety of the engine could be affected if unauthorizedmodifications are made to it. Detroit will not accept responsibility for anyresulting damage.Tampering with the fuel injection system and engine electronics could also affectengine power output or exhaust emission levels. Compliance with themanufacturer's settings and with statutory environmental protection regulationscannot then be guaranteed.Acronyms and AbbreviationsTable 1.Acronyms and AbbreviationsACMAftertreatment ControlModulekWKilowattAPIAmerican PetroleumInstituteLLiterATDAftertreatment DevicelbPoundATFAutomaticTransmission FluidmMeterATSAftertreatment SystemMCMMotor Control ModuleCACCharge Air CoolerMILMalfunction IndicatorLampCANController AreaNetworkmpgMiles per GallonCalifornia AirResources BoardmphMiles per HourCELCheck Engine LightNHTSANational HighwayTraffic SafetyAdministrationCPCCommon PowertrainControllerNOATNitrited Organic AcidTechnologyDDCDetroit DieselCorporationNOxNitrogen OxideDetroit DieselElectronic ControlsOATOrganic AcidTechnologyDiesel Exhaust FluidOBDOn Board DiagnosticCARBDDECDEFAll information subject to change without notice.DDC-SVC-MAN-0192Copyright 2017 DETROIT DIESEL CORPORATION7

ForwardAcronyms and AbbreviationsDOCDiesel OxidationCatalystOEMOriginal EquipmentManufacturerDPFDiesel Particulate FilterozOunceDTCDiagnostic TroubleCodepsiPounds per SquareInchECMElectronic ControlModulePTOPower TakeoffECTEngine CoolantTemperatureqtQuartEGRExhaust GasRecirculationregenRegenerationELCExtended Life CoolantrpmRevolutions per MinuteEPAEnvironmentalProtection AgencySAESociety of AutomotiveEngineersFMCSAFederal Motor CarrierSafety AdministrationSCASupplemental CoolantAdditiveGAWRGross Axle WeightRatingSCRSelective CatalystReductionGreenhouse GasSELStop Engine LightGHG14Greenhouse Gas andFuel EfficiencyRegulationsSEOStop Engine OverrideGVWRGross Vehicle WeightRatingS/NSerial NumberHESTHigh Exhaust SystemTemperatureSRSSynchronousReference SensorInchSRTStandard Repair TimeInches of WaterTCMTransmission ControlModuleinHgInches of MercuryTDCTop Dead CenterISOInternationalOrganization forStandardizationTPSThrottle PositionSensorKilo (1000)TRSTiming ReferenceSensorkgKilogramVINVehicle IdentificationNumberkmKilometerVSGVariable SpeedGovernorkm/hKilometers per HourVSSVariable Speed SensorkPaKilopascalGHGin.inH2Ok8All information subject to change without notice.Copyright 2017 DETROIT DIESEL CORPORATION DDC-SVC-MAN-0192

GHG17 DD Medium Duty Operators ManualTo the OperatorTo the OperatorThis manual contains instructions on the safe operation and preventive maintenanceof your Detroit engine used in vehicle applications. Maintenance instructionscover routine engine services such as lubricating oil and filter changes in enoughdetail to permit self-servicing, if desired.The operator should become familiar with the contents of this manual beforeoperating the engine or carrying out maintenance procedures.Power-driven equipment is only as safe as the person operating the controls. Youare urged, as the operator of this diesel engine, to keep fingers and clothing awayfrom the revolving belts, drive shafts, and pulleys on the engine installation.Throughout this manual CAUTIONS and WARNINGS regarding personal safetyand NOTICES regarding engine performance or service life will appear. To avoidpersonal injury and ensure long engine service life, always heed these instructions.Whenever possible, it will benefit you to rely on an authorized Detroit serviceoutlet for all your service needs from maintenance to major parts replacement.Authorized service outlets worldwide stock factory-original parts.The information and specifications in this publication are based on the informationin effect at the time of approval for printing. Contact an authorized Detroit service outlet for information on the latest revision. The right is reserved to makechanges at any time without obligation.Detroit engines are built in accordance with sound technological principles andbased on state-of-the-art technology.Despite this, the engine may constitute a risk of damage to property or injury topersons if it is not used for its intended purpose.The engine should not be modified or converted in an incorrect manner or thesafety instructions included in this manual disregarded.Keep this Operator Manual with the engine installation at all times. It containsimportant operating, maintenance, and safety instructions.NOTICE: Failure to maintain the cooling system at requiredconcentrations will result in severe damage to the engine coolingsystem and related components. Refer to the "Coolant Selections andMaintenance" section.All information subject to change without notice.DDC-SVC-MAN-0192Copyright 2017 DETROIT DIESEL CORPORATION9